<template>
  <div class="login-container">
    <el-form class="login-form" label-width="100px" :model="form" :rules="rules" ref="loginForm">
      <div class="title-container">
        <img src alt="logo" />
      </div>
      <el-form-item prop="email" label="邮箱">
        <el-input v-model="form.email" placeholder="请输入邮箱"></el-input>
      </el-form-item>
      <el-form-item prop="captcha" label="验证码" class="captcha-container">
        <div class="captcha">
          <img :src="code.captcha" alt @click="resetCaptcha" />
        </div>
        <el-input v-model="form.captcha" placeholder="请输入验证码"></el-input>
      </el-form-item>
      <el-form-item prop="emailcode" label="邮箱验证码" class="captcha-container">
        <div class="captcha">
          <el-button @click="sendEmailCode" :disabled="send.timer>0" type="primary">{{sendText}}</el-button>
        </div>
        <el-input v-model="form.emailcode" placeholder="请输入邮箱验证码"></el-input>
      </el-form-item>
      <el-form-item prop="password" label="密码">
        <el-input type="password" v-model="form.password" placeholder="请输入密码"></el-input>
      </el-form-item>
      <el-form-item label>
        <el-button type="primary" @click.native.prevent="handleLogin">登录</el-button>
      </el-form-item>
    </el-form>
  </div>
</template>

<script>
import md5 from "md5";
export default {
  layout: "login",
  data() {
    return {
      form: {
        email: "1172340784@qq.com",
        captcha: "",
        nickname: "小燕",
        password: "123456",
        emailcode:""
      },
      rules: {
        email: [
          { required: true, message: "请输入邮箱" },
          { type: "email", message: "请输入正确的邮箱格式" }
        ],
        captcha: [{ required: true, message: "请输入验证码" }],
        emailcode: [{ required: true, message: "请输入邮箱验证码" }],
        password: [
          {
            required: true,
            pattern: /^[\w_-]{6,12}$/g,
            message: "请输入6~12位密码"
          }
        ]
      },
      code: {
        captcha: "/api/captcha"
      },
      send:{
        timer:0
      }
    };
  },
  computed: {
    sendText(){
      if(this.send.timer <=0 ){
        return '发送'
      }
      return `${this.send.timer}s后发送`
    },
  },
  methods: {
    async sendEmailCode(){
      await this.$http.get('sendcode?email=' +this.form.email)

      this.send.timer = 10
      this.timer = setInterval(()=>{
        this.send.timer -= 1
        if(this.send.timer ===0){
          clearInterval(this.timer)
        }
      },1000)
    },
    handleLogin() {
      this.$refs.loginForm.validate(async valid => {
        if (valid) {
          console.log("校验成功");
          let obj = {
            email: this.form.email,
            password: md5(this.form.password),
            captcha: this.form.captcha,
            emailcode:this.form.emailcode
          };
          let ret = await this.$http.post("/user/login", obj);
          if (ret.code == 0) {
            // token的存储
            localStorage.setItem('token',ret.data.token)
            this.$message.success("登录成功");
            setTimeout(()=>{
              this.$router.push("/");
            },1000)
          } else {
            this.$message.error(ret.message);
          }
        } else {
          console.log("校验失败");
        }
      });
    },
    resetCaptcha() {
      this.code.captcha = "/api/captcha?_t=" + new Date().getTime();
    }
  }
};
</script>

<style lang="stylus">
.login-form {
  width: 380px;
  margin: 0 auto;
}
</style>